(A) It shall be unlawful for any plumber or pipefitter to do any work upon any of the pipes or appurtenances of the system of waterworks, or to make any connection with or extension of the supply pipes of any consumer taking water from the system until the plumber or pipefitter shall have first deposited a bond in the amount and style as required by the City Council with the city.
(B) All plumbing shall be done in the manner required by the Director of Public Works.
(C) The bonded plumber shall be at all times subject to the inspection and approval of the Director of Public Works and it shall be further unlawful to cover or conceal willfully any defective or unsatisfactory plumbing work.
(Neb. RS 17-537) (1973 Code, § 3-113)